Merge pull request #2213 from ocean1/patch-1

Added myself as a contributor

CONTRIBUTORS.txt

@@ -166,3 +166,4 @@ Alexey Kotlyarov, 2014/05/16
 Ross Deane, 2014/07/11
 Tadej Janež, 2014/08/08
 Akexander Koshelev, 2014/08/19
+Davide Quarta, 2014/08/19